High gain rf front end apparatus

Abstract

The present disclosure relates to a high gain radio-frequency front end apparatus, including an antenna device and a radio-frequency transceiver device. The antenna device includes a plurality of antenna array layers arranged in layers. The radio-frequency transceiver device includes a filter, a circulator, a receiver and a transmitter. The antenna array layer is connected to a filter. The filter is connected to a circulator by an optical fiber, and the circulator is connected to a receiver and a transmitter respectively by an optical fiber. Each of the RF transceivers is connected to a corresponding antenna array layer.

1 . An RF front end apparatus, comprising:
 an antenna device comprising a plurality of stacked antenna array layers;   a plurality of RF transceiver devices, each of the RF transceiver devices comprising a filter, a circulator, a receiver, and a transmitter, the antenna array layer being connected to the filter, the filter being connected to the circulator by an optical fiber, and the circulator being connected to the receiver and the transmitter respectively by an optical fiber; and each of the RF transceivers is connected to a corresponding antenna array layer.   
     
     
         2 . The RF front end apparatus according to  claim 1 , wherein the antenna array layer comprises a substrate and an antenna array, the antenna array is disposed on the substrate and connected to the filter. 
     
     
         3 . The RF front end apparatus according to  claim 2 , wherein the antenna array is a dual polarization planar array. 
     
     
         4 . The RF front end apparatus according to  claim 3 , wherein the dual polarization planar array comprises a plurality of dual polarization oscillators, the dual polarization oscillators are arranged orthogonally with positive and negative polarization of 45 degrees. 
     
     
         5 . The RF front end apparatus according to  claim 4 , wherein the antenna array layer further comprises a combiner, each dual polarization oscillator in the antenna array is connected to the filter in the corresponding RF transceiver device by the combiner. 
     
     
         6 . The RF front end apparatus according to  claim 2 , further comprising a fixing base, wherein the substrate is latched and fixed to the fixing base. 
     
     
         7 . The RF front end apparatus according to  claim 2 , wherein the RF transceiver device further comprises a low noise amplifier and a power amplifier, the circulator is connected to the low-noise amplifier by an optical fiber, the low-noise amplifier is connected to the receiver by an optical fiber, the circulator is connected to the power amplifier by an optical fiber, and the power amplifier is connected to the transmitter by an optical fiber. 
     
     
         8 . The RF front end apparatus according to  claim 1 , wherein further comprising a control device connected to the receiver and the transmitter in each of the RF transceiver devices. 
     
     
         9 . The RF front end apparatus according to  claim 8 , wherein the control device comprises a controller, a signal distributor, and a signal receiver, the signal distributor being connected to the transmitter in each of the RF transceiver devices, the signal receiver being connected to the receiver in each of the RF transceiver devices, and the controller being connected to the signal distributor and the signal receiver. 
     
     
         10 . The RF front end apparatus according to  claim 1 , wherein the antenna array layer is connected to the filter by an RF jumper.